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Genomic analysis of the molecular neuropathology of tuberous sclerosis using a human stem cell model.

Genome medicine · 2016 · Vol. 8 (1) · pp. 94

Abstract

Tuberous sclerosis complex (TSC) is a genetic disease characterized by benign tumor growths in multiple organs and neurological symptoms induced by mTOR hyperfunction. Because the molecular pathology is highly complex and the etiology poorly understood, we employed a defined human neuronal model with a single mTOR activating mutation to dissect the disease-relevant molecular responses driving the neuropathology and suggest new targets for treatment. We investigate the disease phenotype of TSC by neural differentiation of a human stem cell model that had been deleted for TSC2 by genome editing. Comprehensive genomic analysis was performed by RNA sequencing and ribosome profiling to obtain a detailed genome-wide description of alterations on both the transcriptional and translational level. The molecular effect of mTOR inhibitors used in the clinic was monitored and comparison to published data from patient biopsies and mouse models highlights key pathogenic processes. TSC2-deficient neural stem cells showed severely reduced neuronal maturation and characteristics of astrogliosis instead. Transcriptome analysis indicated an active inflammatory response and increased metabolic activity, whereas at the level of translation ribosomal transcripts showed a 5'UTR motif-mediated increase in ribosome occupancy. Further, we observed enhanced protein synthesis rates of angiogenic growth factors. Treatment with mTOR inhibitors corrected translational alterations but transcriptional dysfunction persisted. Our results extend the understanding of the molecular pathophysiology of TSC brain lesions, and suggest phenotype-tailored pharmacological treatment strategies.

Publication Types

["Journal Article"]

Keywords

MeSH Terms

[]

Funding

R01 HG004659 NHGRI NIH HHS (United States)
R01 NS075449 NINDS NIH HHS (United States)

Linked Datasets (3)

GSE78959 GSE via ncbi_elink
GEO

Modeling the Neuropathology of Tuberous Sclerosis with Human Stem Cells Reveals a Role for Inflammation and Angiogenic Growth Factors [Cell Model]

Homo sapiens
25 data files
FileTypeSize
2R15_CAGATC_L005_R1_001.fastq.gz RNA-Seq 1.1 GB
2R16_CTTGTA_L005_R1_001.fastq.gz RNA-Seq 1.2 GB
2R17_ACAGTG_L006_R1_001.fastq.gz RNA-Seq 1.3 GB
2R18_GCCAAT_L006_R1_001.fastq.gz RNA-Seq 1.2 GB
2R19_CAGATC_L006_R1_001.fastq.gz RNA-Seq 1.2 GB
2R20_CTTGTA_L006_R1_001.fastq.gz RNA-Seq 1.3 GB
2T15_ATCACG_L002_R1_001.fastq.gz RNA-Seq 829.0 MB
2T16_CGATGT_L002_R1_001.fastq.gz RNA-Seq 837.1 MB
2T17_TTAGGC_L002_R1_001.fastq.gz RNA-Seq 820.7 MB
2T17_TTAGGC_L002_R1_001.fastq.gz RNA-Seq 820.7 MB
2T18_TGACCA_L002_R1_001.fastq.gz RNA-Seq 888.7 MB
2T19_GCCAAT_L002_R1_001.fastq.gz RNA-Seq 836.0 MB
2T20_CTTGTA_L002_R1_001.fastq.gz RNA-Seq 741.6 MB
3R15_ACAGTG_L007_R1_001.fastq.gz RNA-Seq 1.6 GB
3R16_GCCAAT_L007_R1_001.fastq.gz RNA-Seq 1.4 GB
3R17_CAGATC_L007_R1_001.fastq.gz RNA-Seq 1.4 GB
3R18_CTTGTA_L007_R1_001.fastq.gz RNA-Seq 1.2 GB
3R19_ACAGTG_L008_R1_001.fastq.gz RNA-Seq 1.6 GB
3R20_GCCAAT_L008_R1_001.fastq.gz RNA-Seq 1.5 GB
3T15_ATCACG_L003_R1_001.fastq.gz RNA-Seq 1005.6 MB
3T16_CGATGT_L003_R1_001.fastq.gz RNA-Seq 983.5 MB
3T17_TTAGGC_L003_R1_001.fastq.gz RNA-Seq 1.0 GB
3T18_TGACCA_L003_R1_001.fastq.gz RNA-Seq 989.3 MB
3T19_GCCAAT_L003_R1_001.fastq.gz RNA-Seq 1.1 GB
3T20_CTTGTA_L003_R1_001.fastq.gz RNA-Seq 993.8 MB
GSE78961 GSE via ncbi_elink
GEO

Modeling the Neuropathology of Tuberous Sclerosis with Human Stem Cells Reveals a Role for Inflammation and Angiogenic Growth Factors

Homo sapiens
GSE78960 GSE via ncbi_elink
GEO

Modeling the Neuropathology of Tuberous Sclerosis with Human Stem Cells Reveals a Role for Inflammation and Angiogenic Growth Factors [Treatment]

Homo sapiens
48 data files
FileTypeSize
15AZD_ATCACG_L001_R1_001.fastq.gz RNA-Seq 831.4 MB
15AZD_ATCACG_L006_R1_001.fastq.gz RNA-Seq 505.7 MB
15AZD_GCCAAT_L005_R1_001.fastq.gz RNA-Seq 814.5 MB
15AZD_TGACCA_L008_R1_001.fastq.gz RNA-Seq 464.5 MB
15DMSO_ATCACG_L004_R1_001.fastq.gz RNA-Seq 822.9 MB
15DMSO_ATCACG_L007_R1_001.fastq.gz RNA-Seq 539.0 MB
15DMSO_GCCAAT_L001_R1_001.fastq.gz RNA-Seq 692.4 MB
15DMSO_GCCAAT_L006_R1_001.fastq.gz RNA-Seq 351.3 MB
15Rapamycin_CGATGT_L004_R1_001.fastq.gz RNA-Seq 697.2 MB
15Rapamycin_CGATGT_L007_R1_001.fastq.gz RNA-Seq 526.3 MB
15Rapamycin_CTTGTA_L001_R1_001.fastq.gz RNA-Seq 869.0 MB
15Rapamycin_CTTGTA_L006_R1_001.fastq.gz RNA-Seq 360.6 MB
16AZD_ACTTGA_L007_R1_001.fastq.gz RNA-Seq 393.3 MB
16AZD_ACTTGA_L008_R1_001.fastq.gz RNA-Seq 416.9 MB
16AZD_TGACCA_L002_R1_001.fastq.gz RNA-Seq 630.4 MB
16AZD_TGACCA_L005_R1_001.fastq.gz RNA-Seq 986.5 MB
16DMSO_ACAGTG_L008_R1_001.fastq.gz RNA-Seq 593.8 MB
16DMSO_CTTGTA_L005_R1_001.fastq.gz RNA-Seq 887.2 MB
16DMSO_GCCAAT_L002_R1_001.fastq.gz RNA-Seq 689.1 MB
16DMSO_GCCAAT_L007_R1_001.fastq.gz RNA-Seq 426.7 MB
16Rapamycin_CAGATC_L008_R1_001.fastq.gz RNA-Seq 425.5 MB
16Rapamycin_CTTGTA_L002_R1_001.fastq.gz RNA-Seq 651.4 MB
16Rapamycin_CTTGTA_L007_R1_001.fastq.gz RNA-Seq 339.6 MB
16Rapamycin_TTAGGC_L005_R1_001.fastq.gz RNA-Seq 1010.0 MB
19AZD_ACAGTG_L002_R1_001.fastq.gz RNA-Seq 519.5 MB
19AZD_ACTTGA_L003_R1_001.fastq.gz RNA-Seq 730.7 MB
19AZD_TGACCA_L006_R1_001.fastq.gz RNA-Seq 416.8 MB
19AZD_TTAGGC_L008_R1_001.fastq.gz RNA-Seq 473.3 MB
19DMSO_CGATGT_L001_R1_001.fastq.gz RNA-Seq 799.5 MB
19DMSO_CGATGT_L006_R1_001.fastq.gz RNA-Seq 408.4 MB
19DMSO_GCCAAT_L003_R1_001.fastq.gz RNA-Seq 652.8 MB
19DMSO_GCCAAT_L008_R1_001.fastq.gz RNA-Seq 443.1 MB
19Rapamycin_CTTGTA_L003_R1_001.fastq.gz RNA-Seq 616.5 MB
19Rapamycin_CTTGTA_L008_R1_001.fastq.gz RNA-Seq 442.9 MB
19Rapamycin_TTAGGC_L001_R1_001.fastq.gz RNA-Seq 1.1 GB
19Rapamycin_TTAGGC_L006_R1_001.fastq.gz RNA-Seq 417.4 MB
20AZD_GATCAG_L008_R1_001.fastq.gz RNA-Seq 419.9 MB
20AZD_GGCTAC_L004_R1_001.fastq.gz RNA-Seq 735.5 MB
20AZD_GGCTAC_L007_R1_001.fastq.gz RNA-Seq 403.3 MB
20AZD_TAGCTT_L003_R1_001.fastq.gz RNA-Seq 649.8 MB
20DMSO_ACAGTG_L006_R1_001.fastq.gz RNA-Seq 439.2 MB
20DMSO_CAGATC_L002_R1_001.fastq.gz RNA-Seq 702.8 MB
20DMSO_GATCAG_L007_R1_001.fastq.gz RNA-Seq 421.4 MB
20DMSO_GCCAAT_L004_R1_001.fastq.gz RNA-Seq 619.5 MB
20Rapamycin_CAGATC_L006_R1_001.fastq.gz RNA-Seq 393.3 MB
20Rapamycin_CTTGTA_L004_R1_001.fastq.gz RNA-Seq 643.2 MB
20Rapamycin_GATCAG_L003_R1_001.fastq.gz RNA-Seq 762.4 MB
20Rapamycin_TAGCTT_L007_R1_001.fastq.gz RNA-Seq 416.0 MB

Potentially Related Datasets (2)

These accessions were text-mined from the PMC full text. They may be referenced for comparison, cited from other studies, or otherwise mentioned without being primary data for this paper.

GSE16969 GSE GEO
GEO

Gene expression analysis of TSC-tubers reveals increased expression of adhesion and inflammatory factors

GSE35338 GSE GEO
GEO

Expression data from reactive astrocytes acutely purified from young adult mouse brains

Analysis Pipelines (5)

Microarray geo_data_processing GSE16969
geo_data_processing GSE35338
RNA-seq geo_data_processing GSE78959
RNA-seq geo_data_processing GSE78960
RNA-seq geo_data_processing GSE78961